Faceting Design Diagram: French Button – Quartz – Citrine, Amethyst, Ametrine, Smokey, Rose


Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)

French Button (CHECK23.JRG)
By Jeff R. Graham
Copyright 2001
86.6% Light Return
Angles for R.I. = 1.54
53 facets + 16 facets on girdle = 69
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.199 T/L = 0.199
P/W = 0.470 C/W = 0.187
H/W = (P+C)/W+0.02 = 0.677
P/H = 0.695 C/H = 0.276
Vol./W^3 = 0.265

Addition # 6 – This is pretty fast and easy to cut… This design works well in refractive indexes 1.54 to 1.93 (91.2%) with no changes. I really like the shape of this stone and it makes great earrings in the 8mm to 10mm size range…


Random – Cosine – ISO

Detailed faceting instructions by Jeff Graham available at The Rock Peddler

About the author
Jeff R. Graham
The late Jeff Graham was a prolific faceter, creator of many original faceting designs, and the author of several highly-regarded instructional faceting books such as Gram Faceting Designs.
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